How to use wordsArrayArbitrary method in fast-check-monorepo

Best JavaScript code snippet using fast-check-monorepo

WordsToLorem.spec.ts

Source:WordsToLorem.spec.ts Github

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1import fc from 'fast-check';2import {3 sentencesToParagraphMapper,4 sentencesToParagraphUnmapper,5 wordsToJoinedStringMapper,6 wordsToJoinedStringUnmapperFor,7 wordsToSentenceMapper,8 wordsToSentenceUnmapperFor,9} from '../../../../../src/arbitrary/_internals/mappers/WordsToLorem';10import { fakeArbitrary } from '../../__test-helpers__/ArbitraryHelpers';11const wordArbitraryWithoutComma = fc.stringOf(12 fc.nat({ max: 25 }).map((v) => String.fromCodePoint(97 + v)),13 { minLength: 1 }14);15const wordArbitrary = fc16 .tuple(wordArbitraryWithoutComma, fc.boolean())17 .map(([word, hasComma]) => (hasComma ? `${word},` : word));18const wordsArrayArbitrary = fc.uniqueArray(wordArbitrary, {19 minLength: 1,20 selector: (entry) => (entry.endsWith(',') ? entry.substring(0, entry.length - 1) : entry),21});22describe('wordsToJoinedStringMapper', () => {23 it.each`24 words | expectedOutput | behaviour25 ${['il', 'était', 'une', 'fois']} | ${'il était une fois'} | ${'join using space'}26 ${['demain,', 'il', 'fera', 'beau']} | ${'demain il fera beau'} | ${'trim trailing commas on each word'}27 ${['demain', 'il,', 'fera', 'beau,']} | ${'demain il fera beau'} | ${'trim trailing commas on each word'}28 `('should map $words into $expectedOutput ($behaviour)', ({ words, expectedOutput }) => {29 // Arrange / Act30 const out = wordsToJoinedStringMapper(words);31 // Assert32 expect(out).toBe(expectedOutput);33 });34});35describe('wordsToJoinedStringUnmapperFor', () => {36 it('should unmap string made of words strictly coming from the source', () => {37 // Arrange38 const { instance: wordsArbitrary, canShrinkWithoutContext } = fakeArbitrary<string>();39 canShrinkWithoutContext.mockImplementation(40 (value) => typeof value === 'string' && ['hello', 'world', 'winter', 'summer'].includes(value)41 );42 // Act43 const unmapper = wordsToJoinedStringUnmapperFor(wordsArbitrary);44 const unmappedValue = unmapper('hello hello winter world');45 // Assert46 expect(unmappedValue).toEqual(['hello', 'hello', 'winter', 'world']);47 });48 it('should unmap string made of words with some having trimmed commas', () => {49 // Arrange50 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();51 canShrinkWithoutContext.mockImplementation(52 (value) => typeof value === 'string' && ['hello,', 'world,', 'winter', 'summer'].includes(value)53 );54 // Act55 const unmapper = wordsToJoinedStringUnmapperFor(instance);56 const unmappedValue = unmapper('hello hello winter world');57 // Assert58 expect(unmappedValue).toEqual(['hello,', 'hello,', 'winter', 'world,']);59 });60 it('should reject strings containing unknown words', () => {61 // Arrange62 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();63 canShrinkWithoutContext.mockImplementation(64 (value) => typeof value === 'string' && ['hello,', 'world,', 'spring', 'summer'].includes(value)65 );66 // Act / Assert67 const unmapper = wordsToJoinedStringUnmapperFor(instance);68 expect(() => unmapper('hello hello winter world')).toThrowError();69 });70 it('should unmap any string coming from the mapper', () =>71 fc.assert(72 fc.property(wordsArrayArbitrary, (words) => {73 // Arrange74 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();75 canShrinkWithoutContext.mockImplementation((value) => typeof value === 'string' && words.includes(value));76 // Act77 const mapped = wordsToJoinedStringMapper(words);78 const unmapper = wordsToJoinedStringUnmapperFor(instance);79 const unmappedValue = unmapper(mapped);80 // Assert81 expect(unmappedValue).toEqual(words);82 })83 ));84});85describe('wordsToSentenceMapper', () => {86 it.each`87 words | expectedOutput | behaviour88 ${['il', 'était', 'une', 'fois']} | ${'Il était une fois.'} | ${'join using space'}89 ${['demain,', 'il', 'fera', 'beau']} | ${'Demain, il fera beau.'} | ${'trim trailing commas only on last word'}90 ${['demain', 'il,', 'fera', 'beau,']} | ${'Demain il, fera beau.'} | ${'trim trailing commas only on last word'}91 ${['demain']} | ${'Demain.'} | ${'one word sentence'}92 ${['demain,']} | ${'Demain.'} | ${'one word comma-ending sentence'}93 `('should map $words into $expectedOutput ($behaviour)', ({ words, expectedOutput }) => {94 // Arrange / Act95 const out = wordsToSentenceMapper(words);96 // Assert97 expect(out).toBe(expectedOutput);98 });99});100describe('wordsToSentenceUnmapperFor', () => {101 it('should unmap string made of words strictly coming from the source', () => {102 // Arrange103 const { instance: wordsArbitrary, canShrinkWithoutContext } = fakeArbitrary<string>();104 canShrinkWithoutContext.mockImplementation(105 (value) => typeof value === 'string' && ['hello', 'world', 'winter', 'summer'].includes(value)106 );107 // Act108 const unmapper = wordsToSentenceUnmapperFor(wordsArbitrary);109 const unmappedValue = unmapper('Hello hello winter world.');110 // Assert111 expect(unmappedValue).toEqual(['hello', 'hello', 'winter', 'world']);112 });113 it('should unmap string made of words with last one having trimmed comma', () => {114 // Arrange115 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();116 canShrinkWithoutContext.mockImplementation(117 (value) => typeof value === 'string' && ['hello,', 'world,', 'winter', 'summer'].includes(value)118 );119 // Act120 const unmapper = wordsToSentenceUnmapperFor(instance);121 const unmappedValue = unmapper('Hello, hello, winter world.');122 // Assert123 expect(unmappedValue).toEqual(['hello,', 'hello,', 'winter', 'world,']);124 });125 it('should reject strings containing unknown words', () => {126 // Arrange127 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();128 canShrinkWithoutContext.mockImplementation(129 (value) => typeof value === 'string' && ['hello', 'world,', 'spring', 'summer'].includes(value)130 );131 // Act / Assert132 const unmapper = wordsToSentenceUnmapperFor(instance);133 expect(() => unmapper('Hello hello spring world.')).not.toThrowError();134 expect(() => unmapper('Hello hello winter world.')).toThrowError();135 });136 it('should reject strings not starting by a capital leter', () => {137 // Arrange138 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();139 canShrinkWithoutContext.mockImplementation(140 (value) => typeof value === 'string' && ['hello', 'world,', 'winter', 'summer'].includes(value)141 );142 // Act / Assert143 const unmapper = wordsToSentenceUnmapperFor(instance);144 expect(() => unmapper('Hello hello winter world.')).not.toThrowError();145 expect(() => unmapper('hello hello winter world.')).toThrowError();146 });147 it('should reject strings not ending by a point', () => {148 // Arrange149 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();150 canShrinkWithoutContext.mockImplementation(151 (value) => typeof value === 'string' && ['hello', 'world,', 'winter', 'summer'].includes(value)152 );153 // Act / Assert154 const unmapper = wordsToSentenceUnmapperFor(instance);155 expect(() => unmapper('Hello hello winter world.')).not.toThrowError();156 expect(() => unmapper('Hello hello winter world')).toThrowError();157 });158 it('should reject strings with last word ending by a comma followed by point', () => {159 // Arrange160 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();161 canShrinkWithoutContext.mockImplementation(162 (value) => typeof value === 'string' && ['hello', 'world,', 'winter', 'summer'].includes(value)163 );164 // Act / Assert165 const unmapper = wordsToSentenceUnmapperFor(instance);166 expect(() => unmapper('Hello hello winter world.')).not.toThrowError();167 expect(() => unmapper('Hello hello winter world,.')).toThrowError();168 });169 it("should reject strings if one of first words do not includes it's expected comma", () => {170 // Arrange171 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();172 canShrinkWithoutContext.mockImplementation(173 (value) => typeof value === 'string' && ['hello', 'world,', 'winter,', 'summer'].includes(value)174 );175 // Act / Assert176 const unmapper = wordsToSentenceUnmapperFor(instance);177 expect(() => unmapper('Hello hello winter, world.')).not.toThrowError();178 expect(() => unmapper('Hello hello winter world.')).toThrowError();179 });180 it('should unmap any string coming from the mapper', () =>181 fc.assert(182 fc.property(wordsArrayArbitrary, (words) => {183 // Arrange184 const { instance, canShrinkWithoutContext } = fakeArbitrary<string>();185 canShrinkWithoutContext.mockImplementation((value) => typeof value === 'string' && words.includes(value));186 // Act187 const mapped = wordsToSentenceMapper(words);188 const unmapper = wordsToSentenceUnmapperFor(instance);189 const unmappedValue = unmapper(mapped);190 // Assert191 expect(unmappedValue).toEqual(words);192 })193 ));194});195describe('wordsToSentenceUnmapperFor', () => {196 it('should unmap any string coming from the mapper', () =>197 fc.assert(198 fc.property(199 fc.array(200 wordsArrayArbitrary.map((words) => wordsToSentenceMapper(words)),201 { minLength: 1 }202 ),203 (sentences) => {204 // Arrange / Act205 const mapped = sentencesToParagraphMapper(sentences);206 const unmappedValue = sentencesToParagraphUnmapper(mapped);207 // Assert208 expect(unmappedValue).toEqual(sentences);209 }210 )211 ));...

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Using AI Code Generation

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1const { wordsArrayArbitrary } = require("fast-check");2const fc = require("fast-check");3const assert = require("assert");4const wordsArray = wordsArrayArbitrary();5fc.assert(6 fc.property(wordsArray, (words) => {7 assert.ok(words.length > 0);8 assert.ok(words[0].length > 0);9 })10);11const wordsArray2 = wordsArrayArbitrary({ minLength: 0, maxLength: 10 });12fc.assert(13 fc.property(wordsArray2, (words) => {14 assert.ok(words.length >= 0);15 assert.ok(words.length <= 10);16 assert.ok(words[0].length > 0);17 })18);19const wordsArray3 = wordsArrayArbitrary({ minLength: 10, maxLength: 10 });20fc.assert(21 fc.property(wordsArray3, (words) => {22 assert.ok(words.length === 10);23 assert.ok(words[0].length > 0);24 })25);26const wordsArray4 = wordsArrayArbitrary({ minLength: 10, maxLength: 10 });27fc.assert(28 fc.property(wordsArray4, (words) => {29 assert.ok(words.length === 10);30 assert.ok(words[0].length > 0);31 })32);33const wordsArray5 = wordsArrayArbitrary({ minLength: 5, maxLength: 10 });34fc.assert(35 fc.property(wordsArray5, (words) => {36 assert.ok(words.length >= 5);37 assert.ok(words.length <= 10);38 assert.ok(words[0].length > 0);39 })40);41const wordsArray6 = wordsArrayArbitrary({ minLength: 5, maxLength: 10 });42fc.assert(43 fc.property(wordsArray6, (words) => {44 assert.ok(words.length >= 5);45 assert.ok(words.length <= 10);46 assert.ok(words[0].length > 0);47 })48);49const wordsArray7 = wordsArrayArbitrary({ minLength: 10, maxLength: 5 });50fc.assert(51 fc.property(wordsArray7, (words) => {52 assert.ok(words.length >= 5);53 assert.ok(words.length <= 10);54 assert.ok(words[0].length > 0);55 })56);57const wordsArray8 = wordsArrayArbitrary({ minLength: 5, maxLength: 10 });58fc.assert(59 fc.property(wordsArray8, (words)

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Using AI Code Generation

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1const wordsArrayArbitrary = require('fast-check-arbitrary-words-array');2const fc = require('fast-check');3fc.assert(4 fc.property(5 wordsArrayArbitrary(),6 (wordsArray) => {7 return wordsArray.length > 0;8 }9);10const wordsArrayArbitrary = require('fast-check-arbitrary-words-array');11const fc = require('fast-check');12fc.assert(13 fc.property(14 wordsArrayArbitrary(),15 (wordsArray) => {16 return wordsArray.length > 0;17 }18);19const wordsArrayArbitrary = require('fast-check-arbitrary-words-array');20const fc = require('fast-check');21fc.assert(22 fc.property(23 wordsArrayArbitrary(),24 (wordsArray) => {25 return wordsArray.length > 0;26 }27);28const wordsArrayArbitrary = require('fast-check-arbitrary-words-array');29const fc = require('fast-check');30fc.assert(31 fc.property(32 wordsArrayArbitrary(),33 (wordsArray) => {34 return wordsArray.length > 0;35 }36);37const wordsArrayArbitrary = require('fast-check-arbitrary-words-array');38const fc = require('fast-check');39fc.assert(40 fc.property(41 wordsArrayArbitrary(),42 (wordsArray) => {43 return wordsArray.length > 0;44 }45);46const wordsArrayArbitrary = require('fast-check-arbitrary-words-array');47const fc = require('fast-check');48fc.assert(49 fc.property(50 wordsArrayArbitrary(),51 (wordsArray) => {52 return wordsArray.length > 0;53 }54);55const wordsArrayArbitrary = require('fast-check-arbitrary-words-array');

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Using AI Code Generation

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1const { wordsArrayArbitrary } = require('fast-check');2console.log(wordsArrayArbitrary(2, 4).generate());3{4 "dependencies": {5 }6}7const { wordsArrayArbitrary } = require('fast-check');8console.log(wordsArrayArbitrary(2, 4).generate());9Yes, you need to import it from fast-check/lib/check/arbitrary/ArrayArbitrary10const { wordsArrayArbitrary } = require('fast-check/lib/check/arbitrary/ArrayArbitrary');11console.log(wordsArrayArbitrary(2, 4).generate());

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Using AI Code Generation

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1const fc = require('fast-check');2const wordsArrayArbitrary = require('fast-check/lib/arbitrary/wordsArrayArbitrary').wordsArrayArbitrary;3fc.assert(fc.property(wordsArrayArb, words => {4 return words.every(word => typeof word === 'string');5}));6const fc = require('fast-check');7const wordsArrayArbitrary = require('fast-check/lib/arbitrary/wordsArrayArbitrary').wordsArrayArbitrary;8fc.assert(fc.property(wordsArrayArb, words => {9 return words.every(word => typeof word === 'string');10}));11const fc = require('fast-check');12const wordsArrayArbitrary = require('fast-check/lib/arbitrary/wordsArrayArbitrary').wordsArrayArbitrary;13fc.assert(fc.property(wordsArrayArb, words => {14 return words.every(word => typeof word === 'string');15}));16const fc = require('fast-check');17const wordsArrayArbitrary = require('fast-check/lib/arbitrary/wordsArrayArbitrary').wordsArrayArbitrary;18fc.assert(fc.property(wordsArrayArb, words => {19 return words.every(word => typeof word === 'string');20}));21const fc = require('fast-check');22const wordsArrayArbitrary = require('fast-check/lib/arbitrary/words

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Using AI Code Generation

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1const fc = require("fast-check");2const wordsArrayArbitrary = require("fast-check-monorepo").wordsArrayArbitrary;3const wordsArray = fc.sample(wordsArrayArbitrary(), 10);4const fc = require("fast-check");5const wordsArrayArbitrary = require("fast-check-monorepo").wordsArrayArbitrary;6const wordsArray = fc.sample(wordsArrayArbitrary(), 10);7const fc = require("fast-check");8const wordsArrayArbitrary = require("fast-check-monorepo").wordsArrayArbitrary;9const wordsArray = fc.sample(wordsArrayArbitrary(), 10);10const fc = require("fast-check");11const wordsArrayArbitrary = require("fast-check-monorepo").wordsArrayArbitrary;12const wordsArray = fc.sample(wordsArrayArbitrary(), 10);13const fc = require("fast-check");14const wordsArrayArbitrary = require("fast-check-monorepo").wordsArrayArbitrary;15const wordsArray = fc.sample(wordsArrayArbitrary(), 10);16const fc = require("fast-check");

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Using AI Code Generation

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1const wordsArrayArbitrary = require('fast-check-monorepo').array;2const fc = require('fast-check');3const wordsArray = wordsArrayArbitrary(fc.string(), 3, 10);4fc.assert(5 fc.property(wordsArray, (words) => {6 return words.length >= 3 && words.length <= 10;7 })8);9{10 "scripts": {11 },12 "dependencies": {13 }14}

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Using AI Code Generation

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1const wordsArrayArbitrary = require('fast-check-monorepo').array;2const wordsArray = wordsArrayArbitrary(3 require('fast-check-monorepo').string()4);5The code above prints out an array of random words. The wordsArrayArbitrary method is called with a string() method as an argument. The string() method is called with no arguments, so it will use the default values. The default values are:6The min and max values are the minimum and maximum length of the strings in the array, respectively. The array() method is called with no arguments. So, the default values are used, which are:

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